DDCE-7696 fix accessibility issue (#320)

Author: gastonracui

app/views/PayrollingSummaryPageMpbik.scala.html

@@ -48,7 +48,9 @@ <h2 class="govuk-heading-l" id="benefits-tab">@messages("PayrollingSummaryMPBIK.
                     <thead class="govuk-table__head">
                     <tr class="govuk-table__row">
                         <th scope="col" class="govuk-table__header">@messages("PayrollingSummaryMPBIK.table.header")</th>
-                        <th scope="col" class="govuk-table__header"></th>
+                        <th scope="col" class="govuk-table__header" style="width: 10em;">
+                            <span class="govuk-visually-hidden">Action</span>
+                        </th>
                     </tr>
                     </thead>
                     <tbody class="govuk-table__body">